79303900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1151}}^1$

素因数の和:1231

約数の個数: 72

約数和(自身を含む): 188987904

約数和(自身を除く): 109684004

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 53, 65, 100, 106, 130, 212, 260, 265, 325, 530, 650, 689, 1060, 1151, 1300, 1325, 1378, 2302, 2650, 2756, 3445, 4604, 5300, 5755, 6890, 11510, 13780, 14963, 17225, 23020, 28775, 29926, 34450, 57550, 59852, 61003, 68900, 74815, 115100, 122006, 149630, 244012, 299260, 305015, 374075, 610030, 748150, 793039, 1220060, 1496300, 1525075, 1586078, 3050150, 3172156, 3965195, 6100300, 7930390, 15860780, 19825975, 39651950, 79303900]

約数ペア:

[(1, 79303900), (2, 39651950), (4, 19825975), (5, 15860780), (10, 7930390), (13, 6100300), (20, 3965195), (25, 3172156), (26, 3050150), (50, 1586078), (52, 1525075), (53, 1496300), (65, 1220060), (100, 793039), (106, 748150), (130, 610030), (212, 374075), (260, 305015), (265, 299260), (325, 244012), (530, 149630), (650, 122006), (689, 115100), (1060, 74815), (1151, 68900), (1300, 61003), (1325, 59852), (1378, 57550), (2302, 34450), (2650, 29926), (2756, 28775), (3445, 23020), (4604, 17225), (5300, 14963), (5755, 13780), (6890, 11510)]